Base | Representation |
---|---|
bin | 1000000010100001… |
… | …0100001100011000 |
3 | 12120101202101222022 |
4 | 2000220110030120 |
5 | 13404430131440 |
6 | 554050314012 |
7 | 104323066100 |
oct | 20050241430 |
9 | 5511671868 |
10 | 2158052120 |
11 | a08189554 |
12 | 502888908 |
13 | 285135323 |
14 | 16687c200 |
15 | c96d2cb5 |
hex | 80a14318 |
2158052120 has 96 divisors (see below), whose sum is σ = 5707104480. Its totient is φ = 732211200.
The previous prime is 2158052107. The next prime is 2158052147. The reversal of 2158052120 is 212508512.
It is a self number, because there is not a number n which added to its sum of digits gives 2158052120.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184445 + ... + 195795.
It is an arithmetic number, because the mean of its divisors is an integer number (59449005).
Almost surely, 22158052120 is an apocalyptic number.
2158052120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2158052120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2853552240).
2158052120 is an abundant number, since it is smaller than the sum of its proper divisors (3549052360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2158052120 is a wasteful number, since it uses less digits than its factorization.
2158052120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11473 (or 11462 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 26.
The square root of 2158052120 is about 46454.8395756567. The cubic root of 2158052120 is about 1292.2721249114.
The spelling of 2158052120 in words is "two billion, one hundred fifty-eight million, fifty-two thousand, one hundred twenty".
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